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A triangle has base 2x+1 and height 6x+3. What value of x would give an area of 240 m^2? Round to the nearest hundreth.

A triangle has base 2x+1 and height 6x+3. What value of x would give an area of 240 m^2? Round to the nearest hundreth.
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a triangle has base 2x+1 and height 6x+3. What value of x would give an area of 240 m^2? Round to the nearest hundreth.

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User Dadadima
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7.4k points

1 Answer

2 votes
.5 * (2x +1) * (6x + 3) = 240
(x + .5) * (6x + 3) = 240
6x^2 +6x + 1.5 = 240
6x^2 +6x + -238.5 = 0
x = 5.8246

base = 12.6492
height = 37.9476


answered
User Jeremy Logan
by
7.7k points
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